Automobile nylon hose connector
By using a rigid plug-in connection between the female and male connectors, combined with the engagement of an external expansion retaining ring and an internal recessed retaining groove, the problems of deformation and cracking when connecting nylon tubing to the connector are solved, achieving a nylon hose connector design that is convenient to connect and has good sealing performance.
Patent Information
- Application Number
- CN202520182937.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-06
AI Technical Summary
In existing technologies, when nylon tubes are connected to quick couplings, the couplings are prone to damage and deformation due to insufficient strength, and the ends of the nylon tubes may crack, resulting in poor sealing.
It adopts a female and male connector design, and realizes the plug-in connection of the rigid connector through the movable snap fastener. It uses the external expansion snap ring and the internal recessed snap groove to engage, combined with stainless steel connecting tube and rubber layer sealing, to prevent the connector from being pressed into the nylon tube.
It enables convenient connection and disassembly of nylon hoses, avoids joint deformation and nylon tube cracking, ensures sealing, occupies little space, and is less likely to interfere with other structures.
Smart Images

Figure CN223881941U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to nylon pipe connecting technical field, concretely relates to a car nylon hose connecting joint. BACKGROUND
[0002] The automobile pipeline is split according to installation, maintenance, modular arrangement, space and various requirements needing to be connected quickly during assembly or whole vehicle assembly. The quick connector is the most common connection mode because of convenient connection and simple operation. In practical application, the connection between nylon pipes needs the help of the quick connector. However, the assembly connection between the quick connector and the nylon pipe needs to be pressed into the nylon pipe by using an assembly tool. In the foregoing connection mode, because the nylon pipe itself has the defect of low strength, the outer diameter of the nylon pipe needs to be expanded in the process of pressing the quick connector into the nylon pipe, which can easily cause the damage and deformation of the quick connector and the cracking of the pipe end of the nylon pipe after assembly, thereby reducing the sealing performance of the two. Therefore, we provide a car nylon hose connecting joint. SUMMARY
[0003] In view of the problems in the prior art, the utility model provides a car nylon hose connecting joint.
[0004] To achieve the above object, the utility model provides the following technical scheme:
[0005] A car nylon hose connecting joint, comprising:
[0006] The female connector is symmetrically provided with a clamping groove on the outside of both sides;
[0007] The male connector is symmetrically connected with a movable clamping part through a connecting support on both sides, and the front end of the movable clamping part is matched and clamped with the clamping groove;
[0008] The inner side of the female connector is provided with a connecting female pipe, and the inner side of the male connector is provided with a connecting male pipe; the front end of the connecting female pipe forms an outer sleeve and an inner sleeve with a connecting cavity, and a group of outer expansion clamping rings are arranged on the outer circumferential side wall of the inner sleeve; an inner recess clamping groove corresponding to the outer expansion clamping ring is arranged on the inner circumferential side wall of the connecting male pipe; when the connecting male pipe is inserted into the connecting cavity between the outer sleeve and the inner sleeve, the outer expansion clamping ring and the inner recess clamping groove are engaged.
[0009] As a further improvement of the scheme, the male connector and the female connector are respectively provided with a nylon hose on the outside, and the nylon hose is communicated with the connecting female pipe and the connecting male pipe.
[0010] As a further improvement of the scheme, the rear end of the outer sleeve and the inner sleeve is fixedly connected with a stop ring; the outer sleeve, the inner sleeve and the connecting female pipe are all fixedly connected with the stop ring by welding.
[0011] As a further improvement of the scheme, a channel one is formed in the middle of the male connecting pipe, a channel two is formed in the middle of the outer sleeve and the inner sleeve, and the center lines of the channel one and the channel two are coaxially arranged.
[0012] As a further improvement of the scheme, a rubber layer is arranged on the outer circumferential side wall of the inner sleeve.
[0013] As a further improvement of the scheme, a pressing part is arranged at the rear end of the movable buckle, and a avoiding groove for avoiding the pressing part is arranged on the rear side edge of the male connector close to the pressing part.
[0014] As a further improvement of the scheme, the male connecting pipe and the female connecting pipe are both stainless steel parts.
[0015] As a further improvement of the scheme, the connecting supports are fixed on both sides of the male connector, and the two movable buckles are rotatably connected to the two connecting supports through the rotating shafts, and the movable buckles are sleeved and fixed on the rotating shafts.
[0016] As a further improvement of the scheme, the two ends of the rotating shaft are elastically connected to the connecting supports through torsion springs, the torsion springs are sleeved on the rotating shaft, and one end of the torsion spring is fixedly connected to the rotating shaft, and the other end is fixedly connected to the inner side wall of the connecting support.
[0017] As a further improvement of the scheme, a through hole is arranged on the movable buckle, and the front end of the movable buckle is inwardly bent and provided with a connecting claw.
[0018] Compared with the prior art, the utility model discloses the following beneficial effects: the two nylon hose joints are connected through the hard joint plug-in mode, and the hose connection and disassembly are completed by one plug and one insertion, the space occupied is small, the space position is not limited, the installation process is not easy to interfere with other structures, and the installation is convenient. BRIEF DESCRIPTION OF DRAWINGS
[0019] The utility model will be further described below in combination with the drawings.
[0020] Figure 1 It is the whole structure schematic diagram of the utility model;
[0021] Figure 2 It is the male connecting pipe structure schematic diagram of the utility model;
[0022] Figure 3 It is the female connecting pipe structure schematic diagram of the utility model;
[0023] Figure 4 It is the movable buckle structure schematic diagram of the utility model;
[0024] Figure 5 This is a schematic diagram of the rotating installation of the movable buckle of this utility model.
[0025] The diagram is labeled as follows: 1. Male connector; 2. Female connector; 11. Movable fastener; 111. Through hole; 121. Rotating shaft; 12. Connecting support; 13. Clearance groove; 21. Slot; 22. Connecting female tube; 14. Connecting male tube; 140. Channel 1; 141. Recessed slot; 220. Channel 2; 221. Inner sleeve; 222. Outer sleeve; 223. Retaining ring; 224. Connecting cavity; 225. Adhesive layer; 226. External expansion retaining ring. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] Example 1
[0028] like Figures 1-5 As shown, this embodiment provides an automotive nylon hose connector, including a male connector 1 and a female connector 2. The female connector 2 has symmetrically arranged slots 21 on both outer sides; the male connector 1 has movable fasteners 11 symmetrically rotatably connected to both sides via connecting supports 12, the front end of which engages with the slots 21 for a snap-fit connection.
[0029] A connecting female tube 22 passes through the inner side of the female connector 2, and a connecting male tube 14 passes through the inner side of the male connector 1. The front end of the connecting female tube 22 forms an outer sleeve 222 and an inner sleeve 221 with a connecting cavity 224. A set of external expansion retaining rings 226 are provided on the outer circumferential side wall of the inner sleeve 221. An internal retaining groove 141 corresponding to the external expansion retaining rings 226 is provided on the inner circumferential side wall of the connecting male tube 14. When the connecting male tube 14 is inserted into the connecting cavity 224 between the outer sleeve 222 and the inner sleeve 221, the external expansion retaining rings 226 and the internal retaining groove 141 engage. Nylon hoses are installed on the outer sides of the male connector 1 and the female connector 2, respectively. The nylon hoses are connected to the connecting female tube 22 and the connecting male tube 14. Both the connecting female tube 22 and the connecting male tube 14 are made of stainless steel.
[0030] The outer sleeve 222 and the inner sleeve 221 are fixedly connected to the outer circumference of their rear ends with retaining rings 223; the outer sleeve 222, the inner sleeve 221, and the connecting mother pipe 22 are all fixedly connected to the retaining rings 223 by welding. The retaining rings 223 effectively achieve sealing at the connection.
[0031] A channel one 140 is formed in the middle of the connecting male pipe 14, and a channel two 220 is formed between the outer sleeve 222 and the inner sleeve 221, the center lines of the channel one 140 and the channel two 220 are coaxially arranged and penetrate each other. The channel one 140 and the channel two 220 are used for the flow of liquid.
[0032] A rubber layer 225 is arranged on the outer circumferential side wall of the inner sleeve 221. The rubber layer 225 is used to ensure the sealing of the interface, so as to realize effective sealing between the connecting male pipe 14 and the inner sleeve 221 and the outer sleeve 222, and prevent leakage.
[0033] Specifically, during the connection, the connecting male pipe 14 is inserted into the connecting cavity 224 between the inner sleeve 221 and the outer sleeve 222; the outer expansion clasp 226 and the inner retraction clasp slot 141 are engaged; the rubber layer 225 is sealed and clamped; at the same time of completing the connection, the end of the movable clamping part 111 is pressed; the movable clamping part 111 rotates under the action of the connecting support 12; after the other end of the movable clamping part 111 is clamped to the clamping slot 21 on the female connector 2, the end of the movable clamping part 111 is released; and the overall insertion and connection are completed. The two nylon hose connectors are connected by the hard connector pull-in and pull-out mode, and the connection and disassembly of the hose are completed by one pull and one insertion, which occupies small space and is not limited by space position, and is not easy to interfere with other structures during installation, so the installation is convenient; and the connector does not need to be pressed into the nylon pipe, that is, the outer diameter of the nylon pipe does not need to be expanded during assembly, so that the connector assembly damage deformation and the cracking of the pipe end of the nylon pipe are avoided.
[0034] Embodiment 2
[0035] The embodiment provides a kind of automobile nylon hose connector, its structure and embodiment 1 are basically same, difference lies in, the rear end of the movable clamping part 11 is provided with press part on the basis of embodiment 1 of this embodiment, and the rear side edge of male connector 1 is also provided with avoiding recess 13 for avoiding press part at the position close to press part.Press when, finger press press part, and the end of movable clamping part 11 is trapped in avoiding recess 13.
[0036] The connecting support 12 is fixed on the two sides of the male connector 1, and the two movable clamping parts 11 are rotatably connected to the two connecting supports 12 by the rotating shaft 121; the movable clamping part 11 is sleeved and fixed on the rotating shaft 121. The rotating shaft 121 forms a rotating part.
[0037] The two ends of the rotating shaft 121 are elastically connected to the connecting support 12 by the torsion spring 122, the torsion spring 122 is sleeved on the rotating shaft 121, one end is fixedly connected to the rotating shaft 121, and the other end is fixedly connected to the inner side wall of the connecting support 12. The torsion spring 122 realizes elastic connection.
[0038] The movable clamping part 11 is provided with a through hole 111, and the front end of the movable clamping part 11 is inwardly bent and provided with a connecting clamping jaw 112. A rotating shaft 121 rotates through the through hole 111, and the connecting clamping jaw 112 is clamped into the clamping groove 21.
[0039] The above is only an example of the structure of the utility model, and those skilled in the art can make various modifications or supplements to the described specific embodiments or replace them with similar ways, as long as they do not deviate from the structure of the utility model or exceed the scope defined by the claims, which shall belong to the protection scope of the utility model.
Claims
1. An automobile nylon hose connecting joint, comprising: a female joint (2) having a clamping groove (21) symmetrically formed on the outer side thereof; a male joint (1) having a movable clamping member (11) symmetrically connected to the two sides thereof through a connecting support (12), the front end of the movable clamping member (11) being matched with the clamping groove (21) for clamping connection; characterized in that a connecting female pipe (22) is arranged in the inner side of the female joint (2), and a connecting male pipe (14) is arranged in the inner side of the male joint (1); the front end of the connecting female pipe (22) forms an outer sleeve (222) and an inner sleeve (221) having a connecting cavity (224), the outer circumferential side wall of the inner sleeve (221) is provided with a group of outwardly expanding clamping rings (226); the inner circumferential side wall of the connecting male pipe (14) is provided with an inwardly recessed clamping groove (141) corresponding to the outwardly expanding clamping rings (226); when the connecting male pipe (14) is inserted into the connecting cavity (224) between the outer sleeve (222) and the inner sleeve (221), the outwardly expanding clamping rings (226) and the inwardly recessed clamping groove (141) are engaged.
2. A nylon flexible hose connection for an automotive vehicle as defined in claim 1, wherein, The male joint (1) and the female joint (2) are respectively provided with a nylon hose arranged on the outer side thereof, and the nylon hose is in communication with the connecting female pipe (22) and the connecting male pipe (14).
3. A nylon flexible hose connection for an automotive vehicle as defined in claim 1 wherein, The rear end of the outer sleeve (222) and the inner sleeve (221) is fixedly connected with a stop ring (223) on the outer circumference thereof; the outer sleeve (222), the inner sleeve (221) and the connecting female pipe (22) are all weldedly connected with the stop ring (223).
4. A nylon flexible hose connection for an automotive vehicle as defined in claim 1 wherein, The connecting male pipe (14) is provided with a passage one (140) in the middle thereof, and the outer sleeve (222) and the inner sleeve (221) are provided with a passage two (220) in the middle thereof; the center lines of the passage one (140) and the passage two (220) are coaxially arranged.
5. The automotive nylon hose connection coupling of claim 1, wherein, The outer circumferential side wall of the inner sleeve (221) is provided with a rubber layer (225).
6. A nylon flexible hose connection for an automotive vehicle as defined in claim 1 wherein, The rear end of the movable clamping member (11) is provided with a pressing portion, and the rear edge of the male joint (1) is provided with a avoiding recess (13) for avoiding the pressing portion at a position close to the pressing portion.
7. A nylon flexible hose connection for an automotive vehicle as defined in claim 1 wherein, The connecting female pipe (22) and the connecting male pipe (14) are stainless steel parts.
8. A nylon flexible hose connection for an automotive vehicle as defined in claim 1 wherein, The connecting support (12) is fixed to the two sides of the male joint (1), and the two movable clamping members (11) are respectively rotatably connected to the two connecting supports (12) through a rotating shaft (121); the movable clamping member (11) is sleevedly fixed to the rotating shaft (121).
9. A nylon flexible hose connection for an automotive vehicle as defined in claim 8 wherein, The two ends of the rotating shaft (121) and the connecting support (12) are elastically connected through a torsion spring (122), the torsion spring (122) is sleeved on the rotating shaft (121), and one end of the torsion spring (122) is fixedly connected to the rotating shaft (121), and the other end is fixedly connected to the inner side wall of the connecting support (12).
10. The automotive nylon hose connection coupling of claim 1, wherein, A through hole (111) is formed in the movable clamping member (11), and the front end of the movable clamping member (11) is inwardly bent and provided with a connecting clamping jaw (112).